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COVID-19 Antibody (IgG) | Spike | Qualitative
Individuals who have been vaccinated with a SARS-CoV-2 spike or receptor-binding domain vaccine may be positive with this test; however, the clinical significance of a positive antibody result for individuals who have received a COVID-19 vaccine is unknown, in part because the test’s performance characteristics have not been established for that population.
It is not known how long antibodies persist following infection and if the presence of antibodies confers protective immunity. This assay should not be used to diagnose acute SARS-CoV-2 infection.
This is Quest Diagnostics COVID-19 (Coronavirus) IgG Antibody, Spike, Semi-Quantitative Blood Test (34499 )
What is a semi-quantitative COVID-19 antibody test?
If you’ve been exposed to COVID-19 or vaccinated, your body produces antibodies as part of your immune response. The test provides a numerical value that indicates whether or not you may have antibodies to COVID-19.
The results will be a numerical value above or below 1.00.
This test cannot tell you if you have an active infection.
This test should not be used to determine the level of immunity you may have.
Consult your healthcare provider for guidance on how to interpret your test results.
Regardless of your test results, it is important to continue to follow public health recommendations.